i sell this stuff man...im an automotive refinishes distributor and the raptor liner is the only kit i keep in stock. I sell a few of the others (SEM mainly) but i sell by far more raptor kits. i was considering spraying one in my truck myself im just too lazy. but to answer the question it is legit stuff, its not going to look as good or have the texture of a line-x or a rhino liner, but i think youll be happy with the results. whenever i spray my bed im going to spray my rear bumper at the same time so let me know how it looks when you finish. oh and your right prep work is key